LexDanaLexDanabeta
Inventor

Yasuo Tsukuda

Inventor
Osaka, JP

Overview

22→
Patents
1981–2013
Patent span
Performing operations
Primary field (CPC B)

Patents· 22 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B24Bprimary
B24BMachines, devices, or processes for grinding or polishing32%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1018%
G01NInvestigating or analysing materials by determining their chemical or physical properties12%
C22CAlloys6%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light6%
H01FMagnets6%
C03BManufacture, shaping, or supplementary processes3%
F02BInternal-combustion piston engines3%
F02FCylinders, pistons or casings, for combustion engines3%
F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines3%
PatentTitleYear
8,342,907'Polishing state monitoring method'20138,049,884'Spectrophotometer'20117,830,520'Optical measurement device for trace liquid sample'20107,645,181'Polishing state monitoring apparatus and polishing apparatus'20107,585,204'Substrate polishing apparatus'20097,576,855'Spectrophotometric method and apparatus'20097,547,242'Substrate polishing apparatus'20097,510,460'Substrate polishing apparatus'20097,438,627'Polishing state monitoring method'20087,252,575'Polishing state monitoring apparatus and polishing apparatus and method'20077,241,202'Substrate polishing apparatus'20077,101,257'Substrate polishing apparatus'20066,942,543'Substrate polishing apparatus'20056,758,723'Substrate polishing apparatus'20045,731,594'Infrared light source'19985,422,483'Near infrared analyzer'1995RE033022'Ferromagnetic amorphous alloy'19894,808,490'Plasma sprayed film resistor heater'19894,733,088'Radiation detector'19884,715,178'Exhaust port assembly'19874,306,908'Ferromagnetic amorphous alloy'19814,259,101'Method for producing optical fiber preform'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1988Patents assigned to HITACHI LTD (3)· patent assignee history
1981–1989Based in Ome, JP· patent location history
1987–1989Patents assigned to HITACHI METALS LTD (3)· patent assignee history
1987–1989Based in Tokyo, JP· patent location history
1988Patents assigned to HITACHI MEDICAL CORP (1)· patent assignee history
1995–2013Patents assigned to SHIMADZU CORP (16)· patent assignee history
1995–2013Based in Osaka, JP· patent location history
1998–2010Based in Mishima-shi, JP· patent location history
2004–2013Patents assigned to EBARA CORP (7)· patent assignee history
2009Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHIMADZU CORP161995–2013
EBARA CORP72004–2013
HITACHI LTD31981–1988
HITACHI METALS LTD31987–1989
HITACHI MEDICAL CORP11988
Locations
LocationPatentsSpan
Osaka, JP131995–2013
Ome, JP41981–1989
Mishima-shi, JP21998–2010
Tokyo, JP21987–1989
Kyoto, JP12009